Icon (2 facts) - This is the subclass of ContentBearingObjects which are not part of a Language and which have some sort of similarity with the Objects that they represent. This Class would include symbolic roadway signs, 'icons' in a graphical computer operating system, etc
LinguisticExpression (17 kinds, 85 facts) - This is the subclass of ContentBearingObjectss which are language-related. Note that this Class encompasses both Language and the the elements of Languages, e.g. Words
Text (1 kind, 6 facts) - A set of Sentences that express a discourse on a subject of some sort